Wallets & custody · Maintained 2026

PSBT version 2

BIP370 PSBTv2 reorganizes transaction-construction fields so participants can modify transaction inputs and outputs without embedding a complete unsigned transaction in the global map.

Context

Why it matters

BIP370 PSBTv2 reorganizes transaction-construction fields so participants can modify transaction inputs and outputs without embedding a complete unsigned transaction in the global map.

Canonical knowledge

What California Bitcoin maintains

BIP370 PSBTv2 reorganizes transaction-construction fields so participants can modify transaction inputs and outputs without embedding a complete unsigned transaction in the global map.

Primary and technical sources

Evidence before assertion

BIP370: PSBT Version 2

Bitcoin BIPs

Tier 1 · primary

Related concepts

Continue through the knowledge graph

Partially Signed Bitcoin Transactions Multisignature Hardware wallets

Machine accessAgent-ready

https://californiabitcoin.org/api/agent/v1/topic/psbt-v2https://californiabitcoin.org/api/agent/v1/search?q=PSBT%20version%202https://californiabitcoin.org/api/agent/v1/coveragehttps://californiabitcoin.org/api/agent/v1/sources